15187399340 has 24 divisors (see below), whose sum is σ = 31896593232. Its totient is φ = 6074377920.

The previous prime is 15187399321. The next prime is 15187399369. The reversal of 15187399340 is 4399378151.

15187399340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222695 + ... + 282785.

It is an arithmetic number, because the mean of its divisors is an integer number (1329024718).

Almost surely, 2^15187399340 is an apocalyptic number.

15187399340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15187399340 is an abundant number, since it is smaller than the sum of its proper divisors (16709193892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15187399340 is a wasteful number, since it uses less digits than its factorization.

15187399340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72737 (or 72735 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 15187399340 in words is "fifteen billion, one hundred eighty-seven million, three hundred ninety-nine thousand, three hundred forty".